
.stu{
    width:200px;
    height: 45px;
    /* border:1px solid red; */
    margin:30px auto;
}
#stuList{
    width:200px;
    height: 48px;
    margin:0 auto;
    font-size: 20px;
    background-color: blueviolet;
    color:white;
}
td{
    text-align: center;
    /* color:white; */
}
body{
    /* background-color:rgb(148, 128, 167); */
}